Prenatal air pollution levels linked to ADHD in kids

November 6, 2014 1:53 PM

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Kids who are exposed to the highest levels of air pollution before birth have a greater risk of attention deficit hyperactivity disorder (ADHD) symptoms than their less exposed peers, according to new research.

In the study, researchers looked at levels of compounds called polycyclic aromatic hydrocarbons (PAH), which are a component of air pollution.